| NWS Forecast for: Willapa and Wahkiakum Lowlands Issued by: National Weather Service Portland, OR Last Update: 156 PM PST Mon Jan 19 2026 |  |
| Tonight: Mostly clear. Areas of frost after midnight. Lows in the mid 30s. Winds light. Tuesday: Widespread dense fog with areas of frost in the morning. Sunny. Highs in the mid 50s. Winds light. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Areas of frost after midnight. Lows in the mid 30s. Winds light. Wednesday: Areas of frost in the morning. Sunny. Highs in the lower 50s. Winds light. Wednesday Night: Partly cloudy. Areas of frost. Patchy fog after midnight. Lows in the mid 30s. Light and variable winds. Thursday: Partly sunny. Areas of frost. Highs around 50. Thursday Night: Mostly cloudy with a 20 percent chance of rain. Lows in the mid 30s. Friday: Mostly sunny with a slight chance of rain and snow. Highs in the lower 50s. Chance of precipitation 20 percent. Friday Night: Mostly clear in the evening, then becoming partly cloudy. A slight chance of rain and snow. Lows in the mid 30s. Chance of precipitation 20 percent. Saturday: Partly sunny with a chance of rain and snow. Highs in the lower 50s. Chance of precipitation 30 percent. Saturday Night: Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s. Sunday: Rain likely with a slight chance of snow. Highs in the lower 50s. Chance of precipitation 70 percent. Sunday Night: Rain likely. Lows in the lower 40s. Chance of rain 60 percent. Monday: Mostly cloudy with a 50 percent chance of rain. Highs in the lower 50s. | |
| Zone Forecast: Willapa and Wahkiakum Lowlands | |
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